52307620 has 24 divisors (see below), whose sum is σ = 109985400. Its totient is φ = 20896512.

The previous prime is 52307611. The next prime is 52307641. The reversal of 52307620 is 2670325.

It can be written as a sum of positive squares in 4 ways, for example, as 28901376 + 23406244 = 5376^2 + 4838^2 .

It is a super-2 number, since 2×52307620² = 5472174220128800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24766 + ... + 26794.

It is an arithmetic number, because the mean of its divisors is an integer number (4582725).

Almost surely, 2^52307620 is an apocalyptic number.

It is an amenable number.

52307620 is an abundant number, since it is smaller than the sum of its proper divisors (57677780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52307620 is a wasteful number, since it uses less digits than its factorization.

52307620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52307620 is about 7232.4007079254. The cubic root of 52307620 is about 373.9856915418.

Adding to 52307620 its reverse (2670325), we get a palindrome (54977945).

The spelling of 52307620 in words is "fifty-two million, three hundred seven thousand, six hundred twenty".